A grader working at 75% efficiency is used in clearing ditches and levelling and reshaping roads. It requires 3 passes while running at a speed of 5 kmph. If the lane length is 1 km, the total time (in h) required to complete grading one lane will be

A grader working at 75% efficiency is used in clearing ditches and lev

1.	A grader working at 75% efficiency is used in clearing ditches and levelling and reshaping roads. It requires 3 passes while running at a speed of 5 kmph. If the lane length is 1 km, the total time (in h) required to complete grading one lane will be
A.	1.00
B.	0.75
C.	0.80
D.	0.25
E.	0.50
Answer» F.

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A grader working at 75% efficiency is used in clearing ditches and levelling and reshaping roads. It requires 3 passes while running at a speed of 5 kmph. If the lane length is 1 km, the total time (in h) required to complete grading one lane will be

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